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Merged
psycep merged 1 commit into from
Apr 22, 2026
Merged

version: centralize banner through flags.Banner() #14

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2 changes: 1 addition & 1 deletion tools/CheckLDAPStatus/main.go
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Expand Up @@ -39,7 +39,7 @@ var (

func main() {
flag.Usage = func() {
fmt.Fprintln(os.Stderr, "gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "LDAP signing and channel binding enumeration utility.")
fmt.Fprintln(os.Stderr)
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2 changes: 1 addition & 1 deletion tools/DumpNTLMInfo/main.go
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Expand Up @@ -76,7 +76,7 @@ const EPOCH_DIFF = 116444736000000000

func main() {
flag.Usage = func() {
fmt.Fprintln(os.Stderr, "gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "Do NTLM authentication and parse information.")
fmt.Fprintln(os.Stderr)
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3 changes: 2 additions & 1 deletion tools/describeTicket/main.go
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Expand Up @@ -31,6 +31,7 @@ import (
"github.com/jcmturner/gokrb5/v8/messages"
"github.com/jcmturner/gokrb5/v8/types"

gopflags "github.com/mandiant/gopacket/pkg/flags"
"github.com/mandiant/gopacket/pkg/kerberos"
)

Expand Down Expand Up @@ -966,7 +967,7 @@ func loadCCacheSafe(path string) (ccache *credentials.CCache, err error) {
}

func printUsage() {
fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(gopflags.Banner())
fmt.Println()
fmt.Println("Parses a ccache ticket file and displays credential information.")
fmt.Println("With a decryption key, decrypts the ticket and shows the full PAC.")
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3 changes: 2 additions & 1 deletion tools/getArch/main.go
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Expand Up @@ -25,6 +25,7 @@ import (
"github.com/mandiant/gopacket/pkg/dcerpc"
"github.com/mandiant/gopacket/pkg/dcerpc/epmapper"
"github.com/mandiant/gopacket/pkg/dcerpc/header"
"github.com/mandiant/gopacket/pkg/flags"
"github.com/mandiant/gopacket/pkg/transport"
)

Expand Down Expand Up @@ -123,7 +124,7 @@ func checkArch(machine string, timeoutSec int) {
}

func printUsage() {
fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()
fmt.Println("Gets the target system's OS architecture version")
fmt.Println()
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2 changes: 1 addition & 1 deletion tools/karmaSMB/main.go
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Expand Up @@ -275,7 +275,7 @@ var NDR_UUID = []byte{

func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "gopacket v0.1.1-beta - Copyright 2026 Google LLC\n\n")
fmt.Fprintf(os.Stderr, "%s\n\n", flags.Banner())
fmt.Fprintf(os.Stderr, "For every file request received, this module will return the pathname\n")
fmt.Fprintf(os.Stderr, "contents based on extension matching.\n\n")
fmt.Fprintf(os.Stderr, "Usage: karmaSMB [options] pathname\n\n")
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4 changes: 2 additions & 2 deletions tools/keylistattack/main.go
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Expand Up @@ -73,8 +73,8 @@ func main() {
}

func usage() {
fmt.Fprintf(os.Stderr, `gopacket v0.1.1-beta - Copyright 2026 Google LLC

fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintf(os.Stderr, `
Performs the KERB-KEY-LIST-REQ attack to dump secrets from the remote machine
without executing any agent there.

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2 changes: 1 addition & 1 deletion tools/lookupsid/main.go
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Expand Up @@ -63,7 +63,7 @@ func main() {
}
}

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()
fmt.Printf("[*] Brute forcing SIDs at %s\n", target.Host)

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2 changes: 1 addition & 1 deletion tools/mssqlclient/main.go
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Expand Up @@ -42,7 +42,7 @@ func main() {
os.Exit(1)
}

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

// Parse target
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6 changes: 3 additions & 3 deletions tools/mssqlinstance/main.go
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Expand Up @@ -30,8 +30,8 @@ var (

func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, `gopacket v0.1.1-beta - Copyright 2026 Google LLC

fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintf(os.Stderr, `
SQL Server Browser Protocol discovery tool.

Queries the SQL Server Browser service (UDP 1434) to enumerate SQL Server
Expand Down Expand Up @@ -68,7 +68,7 @@ Note: Requires the SQL Server Browser service to be running on the target.
os.Exit(1)
}

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

target := flag.Arg(0)
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4 changes: 2 additions & 2 deletions tools/net/main.go
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Expand Up @@ -111,7 +111,7 @@ func main() {
}
}

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

// Connect via SMB
Expand Down Expand Up @@ -196,7 +196,7 @@ func main() {
}

func printUsage() {
fmt.Fprintln(os.Stderr, "gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "Usage: net [auth-flags] target <command> [command-flags]")
fmt.Fprintln(os.Stderr)
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3 changes: 2 additions & 1 deletion tools/ntfs-read/main.go
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Expand Up @@ -24,6 +24,7 @@ import (
"path/filepath"
"strings"

"github.com/mandiant/gopacket/pkg/flags"
"github.com/mandiant/gopacket/pkg/ntfs"
)

Expand Down Expand Up @@ -400,7 +401,7 @@ func cleanPath(path string) string {
}

func printUsage() {
fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()
fmt.Println("NTFS explorer (read-only)")
fmt.Println()
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3 changes: 2 additions & 1 deletion tools/ping/main.go
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Expand Up @@ -21,6 +21,7 @@ import (
"os"
"time"

"github.com/mandiant/gopacket/pkg/flags"
"golang.org/x/net/icmp"
"golang.org/x/net/ipv4"
)
Expand All @@ -32,7 +33,7 @@ const (

func main() {
if len(os.Args) < 3 {
fmt.Fprintf(os.Stderr, "gopacket v0.1.1-beta - Copyright 2026 Google LLC\n\n")
fmt.Fprintf(os.Stderr, "%s\n\n", flags.Banner())
fmt.Fprintf(os.Stderr, "Simple ICMP ping using raw sockets.\n\n")
fmt.Fprintf(os.Stderr, "Usage: %s <src ip> <dst ip>\n", os.Args[0])
fmt.Fprintf(os.Stderr, "\nNote: Requires root/CAP_NET_RAW privileges.\n")
Expand Down
3 changes: 2 additions & 1 deletion tools/ping6/main.go
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Expand Up @@ -20,6 +20,7 @@ import (
"os"
"time"

"github.com/mandiant/gopacket/pkg/flags"
"golang.org/x/net/icmp"
"golang.org/x/net/ipv6"
)
Expand All @@ -30,7 +31,7 @@ const (
)

func main() {
fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

if len(os.Args) < 3 {
Expand Down
4 changes: 2 additions & 2 deletions tools/rbcd/main.go
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Expand Up @@ -30,8 +30,8 @@ import (
)

func printUsage() {
fmt.Fprintf(os.Stderr, `gopacket v0.1.1-beta - Copyright 2026 Google LLC

fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintf(os.Stderr, `
usage: rbcd [-h] [-delegate-to DELEGATE_TO] [-delegate-from DELEGATE_FROM]
[-action {read,write,remove,flush}] [-use-ldaps] [-debug] [-ts]
[-hashes LMHASH:NTHASH] [-no-pass] [-k] [-aesKey hex key]
Expand Down
4 changes: 2 additions & 2 deletions tools/reg/main.go
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Expand Up @@ -107,7 +107,7 @@ func main() {
}
}

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

// Connect via SMB
Expand Down Expand Up @@ -192,7 +192,7 @@ func main() {
}

func printUsage() {
fmt.Fprintln(os.Stderr, "gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "Usage: reg [auth-flags] target <command> [command-flags]")
fmt.Fprintln(os.Stderr)
Expand Down
2 changes: 1 addition & 1 deletion tools/rpcdump/main.go
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Expand Up @@ -37,7 +37,7 @@ func main() {
os.Exit(1)
}

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

target, creds, err := session.ParseTargetString(opts.TargetStr)
Expand Down
6 changes: 3 additions & 3 deletions tools/rpcmap/main.go
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Expand Up @@ -90,8 +90,8 @@ type ifaceResult struct {

func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, `gopacket v0.1.1-beta - Copyright 2026 Google LLC

fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintf(os.Stderr, `
Scans for listening MSRPC interfaces. Tries the MGMT interface first,
falls back to UUID bruteforce if MGMT is not available.

Expand Down Expand Up @@ -121,7 +121,7 @@ Examples:
os.Exit(1)
}

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

if *debug {
Expand Down
2 changes: 1 addition & 1 deletion tools/samrdump/main.go
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Expand Up @@ -55,7 +55,7 @@ func main() {
}
}

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()
fmt.Printf("[*] Retrieving endpoint list from %s\n", target.Host)

Expand Down
4 changes: 2 additions & 2 deletions tools/services/main.go
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Expand Up @@ -100,7 +100,7 @@ func main() {
}
}

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

// Connect via SMB
Expand Down Expand Up @@ -390,7 +390,7 @@ func errorControlName(t uint32) string {
}

func printUsage() {
fmt.Fprintln(os.Stderr, "gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "Usage: services [auth-flags] target <action> [action-flags]")
fmt.Fprintln(os.Stderr)
Expand Down
2 changes: 1 addition & 1 deletion tools/smbserver/main.go
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Expand Up @@ -366,7 +366,7 @@ func (s *Server) GetShares() []*Share {

func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "gopacket v0.1.1-beta - Copyright 2026 Google LLC\n\n")
fmt.Fprintf(os.Stderr, "%s\n\n", flags.Banner())
fmt.Fprintf(os.Stderr, "usage: smbserver [-h] [-comment COMMENT] [-username USERNAME]\n")
fmt.Fprintf(os.Stderr, " [-password PASSWORD] [-hashes LMHASH:NTHASH] [-ts]\n")
fmt.Fprintf(os.Stderr, " [-debug] [-ip INTERFACE_ADDRESS] [-port PORT]\n")
Expand Down
7 changes: 4 additions & 3 deletions tools/sniff/main.go
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Expand Up @@ -28,6 +28,7 @@ import (
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/google/gopacket/pcap"
"github.com/mandiant/gopacket/pkg/flags"
)

// Supported datalink types
Expand All @@ -43,8 +44,8 @@ var (

func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, `gopacket v0.1.1-beta - Copyright 2026 Google LLC

fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintf(os.Stderr, `
Simple packet sniffer using pcap.

Usage: %s [options] [BPF filter]
Expand All @@ -65,7 +66,7 @@ Note: Requires root/CAP_NET_RAW privileges.

flag.Parse()

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

// List interfaces mode
Expand Down
3 changes: 2 additions & 1 deletion tools/sniffer/main.go
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Expand Up @@ -25,6 +25,7 @@ import (

"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/mandiant/gopacket/pkg/flags"
)

// Protocol name to number mapping
Expand All @@ -40,7 +41,7 @@ var protoMap = map[string]int{
}

func main() {
fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

// Default protocols if none specified
Expand Down
3 changes: 2 additions & 1 deletion tools/split/main.go
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Expand Up @@ -24,6 +24,7 @@ import (
"github.com/google/gopacket/layers"
"github.com/google/gopacket/pcap"
"github.com/google/gopacket/pcapgo"
"github.com/mandiant/gopacket/pkg/flags"
)

// Supported datalink types
Expand Down Expand Up @@ -61,7 +62,7 @@ type ConnectionWriter struct {
}

func main() {
fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()
fmt.Println("[!] This tool is deprecated and may be removed in future versions.")
fmt.Println()
Expand Down
3 changes: 2 additions & 1 deletion tools/ticketer/main.go
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Expand Up @@ -22,6 +22,7 @@ import (
"strings"

"github.com/mandiant/gopacket/internal/build"
"github.com/mandiant/gopacket/pkg/flags"
"github.com/mandiant/gopacket/pkg/kerberos"
)

Expand Down Expand Up @@ -446,7 +447,7 @@ func parseExtraSIDs() []string {
}

func usage() {
fmt.Fprintf(os.Stderr, "gopacket v0.1.1-beta - Copyright 2026 Google LLC\n\n")
fmt.Fprintf(os.Stderr, "%s\n\n", flags.Banner())
fmt.Fprintf(os.Stderr, "Creates Kerberos golden/silver/sapphire tickets based on user options\n\n")
fmt.Fprintf(os.Stderr, "Usage: ticketer [options] <target>\n\n")
fmt.Fprintf(os.Stderr, "Positional:\n")
Expand Down
4 changes: 2 additions & 2 deletions tools/tstool/main.go
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Expand Up @@ -108,7 +108,7 @@ func main() {
}
}

fmt.Println("gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Println(flags.Banner())
fmt.Println()

// Connect via SMB
Expand Down Expand Up @@ -809,7 +809,7 @@ func cmdMsg(smbClient *smb.Client, auth *authContext, sessionID int, title, mess
}

func printUsage() {
fmt.Fprintln(os.Stderr, "gopacket v0.1.1-beta - Copyright 2026 Google LLC")
fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "Usage: tstool [auth-flags] target <action> [action-flags]")
fmt.Fprintln(os.Stderr)
Expand Down
4 changes: 2 additions & 2 deletions tools/wmipersist/main.go
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Expand Up @@ -59,8 +59,8 @@ var (
)

func printUsage() {
fmt.Fprintf(os.Stderr, `gopacket v0.1.1-beta - Copyright 2026 Google LLC

fmt.Fprintln(os.Stderr, flags.Banner())
fmt.Fprintf(os.Stderr, `
usage: wmipersist [-h] [-debug] [-ts] [-com-version MAJOR_VERSION:MINOR_VERSION]
[-hashes LMHASH:NTHASH] [-no-pass] [-k] [-aesKey hex key]
[-dc-ip ip address]
Expand Down